Return-Path: X-Original-To: apmail-commons-dev-archive@www.apache.org Delivered-To: apmail-commons-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 2753A922E for ; Sun, 11 Mar 2012 23:02:40 +0000 (UTC) Received: (qmail 42635 invoked by uid 500); 11 Mar 2012 23:02:38 -0000 Delivered-To: apmail-commons-dev-archive@commons.apache.org Received: (qmail 42101 invoked by uid 500); 11 Mar 2012 23:02:36 -0000 Mailing-List: contact dev-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: "Commons Developers List" Delivered-To: mailing list dev@commons.apache.org Received: (qmail 42060 invoked by uid 99); 11 Mar 2012 23:02:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 11 Mar 2012 23:02:34 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of beneritter@googlemail.com designates 209.85.210.171 as permitted sender) Received: from [209.85.210.171] (HELO mail-iy0-f171.google.com) (209.85.210.171) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 11 Mar 2012 23:02:29 +0000 Received: by iadj38 with SMTP id j38so6827146iad.30 for ; Sun, 11 Mar 2012 16:02:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=Z9O4bYlYk4g+JKiUL5gxhzRDVGu0FQp0x1LILlFI0A4=; b=i6pYM3/oCO84n42wXMfxlspR3EyrfGqsN5/WD/FD7oIRlCHoLlvZY1HXilM0zpdLCU n6QeWxLECe8Ri2aYBHfN32/4nzYxRSRibYu0Sx+O6NTsXpDPsfo7HWXbsDiE3X1YKftW 1YFmqbLMkiswSvvohM5W4Ycabm+rFp9GoHDGANWfftAz3lOc4jcPGPa4+OF4Y4OxY5hd fPxnWf1rkzKfbfhFp5Ol7QA5prAjmp1fRo1AP8PRNlFxFml9Z2uzcBVDHIwtgQYVJxGs IcWKnZiJ1Hko9nBgox3ZRSe2zmEIs7gNU6czy9281IVi0AINLr6zVhA8+Bq2EjPDzukY yv8Q== MIME-Version: 1.0 Received: by 10.50.46.195 with SMTP id x3mr15777307igm.54.1331506928865; Sun, 11 Mar 2012 16:02:08 -0700 (PDT) Received: by 10.50.170.1 with HTTP; Sun, 11 Mar 2012 16:02:08 -0700 (PDT) In-Reply-To: <4F5D0951.2080306@apache.org> References: <4F5CB10C.507@apache.org> <4F5D0951.2080306@apache.org> Date: Mon, 12 Mar 2012 00:02:08 +0100 Message-ID: Subject: Re: [csv] Performance comparison From: Benedikt Ritter To: Commons Developers List Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org Am 11. M=E4rz 2012 21:21 schrieb Emmanuel Bourg : > Le 11/03/2012 16:53, Benedikt Ritter a =E9crit : > > >> I have some spare time to help you with this. I'll check out the >> latest source tonight. Any suggestion where to start? > > > Hi Benedikt, thank you for helping. You can start looking at the source o= f > CSVParser if anything catch your eyes, and then run a profiler to try and > identify the performance critical parts that could be improved. > Hi Emmanuel, I've started to dig my way through the source. I've not done too much performance measuring in my career yet. I would use VisualVM for profiling, if you don't know anything better. And how about some performance junit tests? They may not be as accurate as a profiler, but they can give you a feeling, whether you are on the right way. Benedikt > Emmanuel Bourg > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org For additional commands, e-mail: dev-help@commons.apache.org